104 lines
3.4 KiB
Plaintext
104 lines
3.4 KiB
Plaintext
AC_DEFUN([CHECK_ERLANG], [
|
|
#
|
|
# Erlang checks for mod_erlang_event
|
|
#
|
|
AC_ARG_WITH(
|
|
[erlang],
|
|
[AS_HELP_STRING([--with-erlang], [Use system provided version of erlang (default: try)])],
|
|
[with_erlang="$withval"],
|
|
[with_erlang="try"]
|
|
)
|
|
|
|
AM_CONDITIONAL([HAVE_ERLANG],[false])
|
|
if test "$with_erlang" != "no"
|
|
then
|
|
save_CFLAGS="$CFLAGS"
|
|
save_LIBS="$LIBS"
|
|
|
|
if test "$with_erlang" != "yes" -a "$with_erlang" != "try" ; then
|
|
AC_MSG_CHECKING([for erlang])
|
|
if test ! -x "$with_erlang" ; then
|
|
AC_MSG_ERROR([Specified erlang does not exist or is not executable: $with_erlang])
|
|
fi
|
|
AC_MSG_RESULT([$with_erlang])
|
|
AC_SUBST([ERLANG], ["$with_erlang"])
|
|
else
|
|
AC_PATH_PROG([ERLANG], ["erl"], ["no"], ["$PATH:/usr/bin:/usr/local/bin"])
|
|
fi
|
|
|
|
if test "$ERLANG" != "no" ; then
|
|
AC_MSG_CHECKING([erlang version])
|
|
ERLANG_VER="`$ERLANG -version 2>&1 | cut -d' ' -f6`"
|
|
|
|
if test -z "$ERLANG_VER" ; then
|
|
AC_MSG_ERROR([Unable to detect erlang version])
|
|
fi
|
|
AC_MSG_RESULT([$ERLANG_VER])
|
|
|
|
ERLANG_LIBDIR=`$ERLANG -noshell -eval 'io:format("~n~s/lib~n", [[code:lib_dir("erl_interface")]]).' -s erlang halt | tail -n 1`
|
|
AC_MSG_CHECKING([erlang libdir])
|
|
if test -z "`echo $ERLANG_LIBDIR`" ; then
|
|
AC_MSG_ERROR([failed])
|
|
else
|
|
ERLANG_LDFLAGS="-L$ERLANG_LIBDIR $ERLANG_LDFLAGS"
|
|
LIBS="-L$ERLANG_LIBDIR $LIBS"
|
|
fi
|
|
AC_MSG_RESULT([$ERLANG_LIBDIR])
|
|
|
|
ERLANG_INCDIR=`$ERLANG -noshell -eval 'io:format("~n~s/include~n", [[code:lib_dir("erl_interface")]]).' -s erlang halt | tail -n 1`
|
|
AC_MSG_CHECKING([erlang incdir])
|
|
if test -z "`echo $ERLANG_INCDIR`" ; then
|
|
AC_MSG_ERROR([failed])
|
|
else
|
|
ERLANG_CFLAGS="-I$ERLANG_INCDIR $ERLANG_CFLAGS"
|
|
CFLAGS="-I$ERLANG_INCDIR $CFLAGS"
|
|
fi
|
|
AC_MSG_RESULT([$ERLANG_INCDIR])
|
|
|
|
AC_CHECK_HEADERS([ei.h], [has_ei_h="yes"], [has_ei_h="no"])
|
|
|
|
ERLANG_LIB="ei"
|
|
|
|
# check liei
|
|
AC_CHECK_LIB([$ERLANG_LIB], [ei_encode_version], [has_libei="yes"], [has_libei="no"])
|
|
# maybe someday ei will actually expose this?
|
|
AC_CHECK_LIB([$ERLANG_LIB], [ei_link_unlink], [ERLANG_CFLAGS="$ERLANG_CFLAGS -DEI_LINK_UNLINK"])
|
|
|
|
if test "$has_libei" = "no" ; then
|
|
AS_IF([test "$with_erlang" = "try"],
|
|
[AC_MSG_WARN([$ERLANG_LIB is unusable])],
|
|
[AC_MSG_ERROR([$ERLANG_LIB is unusable])]
|
|
)
|
|
elif test "$has_ei_h" = "no"; then
|
|
AS_IF([test "$with_erlang" = "try"],
|
|
[AC_MSG_WARN([ei.h is unusable - are the erlang development headers installed?])],
|
|
[AC_MSG_ERROR([ei.h is unusable - are the erlang development headers installed?])]
|
|
)
|
|
else
|
|
ERLANG_MAJOR="`echo "$ERLANG_VER" | sed 's/\([[^.]][[^.]]*\).*/\1/'`"
|
|
ERLANG_MINOR="`echo "$ERLANG_VER" | sed 's/[[^.]][[^.]]*.\([[^.]][[^.]]*\).*/\1/'`"
|
|
ERLANG_LDFLAGS="$ERLANG_LDFLAGS -lei"
|
|
AC_MSG_NOTICE([Your erlang seems OK, do not forget to enable mod_erlang_event in modules.conf])
|
|
AC_SUBST([ERLANG_CFLAGS], [$ERLANG_CFLAGS])
|
|
AC_SUBST([ERLANG_LDFLAGS], [$ERLANG_LDFLAGS])
|
|
AC_SUBST([ERLANG_VERSION], [$ERLANG_VER])
|
|
AC_SUBST([ERLANG_MAJOR], [$ERLANG_MAJOR])
|
|
AC_SUBST([ERLANG_MINOR], [$ERLANG_MINOR])
|
|
AM_CONDITIONAL([HAVE_ERLANG],[true])
|
|
fi
|
|
|
|
LIBS="$save_LIBS"
|
|
CFLAGS="$save_CFLAGS"
|
|
|
|
else
|
|
AS_IF([test "$with_erlang" = "try"],
|
|
[AC_MSG_WARN([Could not find erlang, mod_erlang_event will not build, use --with-erlang to specify the location])],
|
|
[AC_MSG_ERROR([Could not find erlang, use --with-erlang to specify the location])]
|
|
)
|
|
fi
|
|
else
|
|
AC_MSG_WARN([erlang support disabled, building mod_erlang_event will fail!])
|
|
fi
|
|
|
|
])
|